1*91f16700Schasinglulu /* 2*91f16700Schasinglulu * Copyright (C) 2018 Marvell International Ltd. 3*91f16700Schasinglulu * 4*91f16700Schasinglulu * SPDX-License-Identifier: BSD-3-Clause 5*91f16700Schasinglulu * https://spdx.org/licenses 6*91f16700Schasinglulu */ 7*91f16700Schasinglulu 8*91f16700Schasinglulu #include <drivers/arm/cci.h> 9*91f16700Schasinglulu 10*91f16700Schasinglulu #include <plat_marvell.h> 11*91f16700Schasinglulu 12*91f16700Schasinglulu static const int cci_map[] = { 13*91f16700Schasinglulu PLAT_MARVELL_CCI_CLUSTER0_SL_IFACE_IX, 14*91f16700Schasinglulu PLAT_MARVELL_CCI_CLUSTER1_SL_IFACE_IX 15*91f16700Schasinglulu }; 16*91f16700Schasinglulu 17*91f16700Schasinglulu /**************************************************************************** 18*91f16700Schasinglulu * The following functions are defined as weak to allow a platform to override 19*91f16700Schasinglulu * the way ARM CCI driver is initialised and used. 20*91f16700Schasinglulu **************************************************************************** 21*91f16700Schasinglulu */ 22*91f16700Schasinglulu #pragma weak plat_marvell_interconnect_init 23*91f16700Schasinglulu #pragma weak plat_marvell_interconnect_enter_coherency 24*91f16700Schasinglulu #pragma weak plat_marvell_interconnect_exit_coherency 25*91f16700Schasinglulu 26*91f16700Schasinglulu 27*91f16700Schasinglulu /**************************************************************************** 28*91f16700Schasinglulu * Helper function to initialize ARM CCI driver. 29*91f16700Schasinglulu **************************************************************************** 30*91f16700Schasinglulu */ 31*91f16700Schasinglulu void plat_marvell_interconnect_init(void) 32*91f16700Schasinglulu { 33*91f16700Schasinglulu cci_init(PLAT_MARVELL_CCI_BASE, cci_map, ARRAY_SIZE(cci_map)); 34*91f16700Schasinglulu } 35*91f16700Schasinglulu 36*91f16700Schasinglulu /**************************************************************************** 37*91f16700Schasinglulu * Helper function to place current master into coherency 38*91f16700Schasinglulu **************************************************************************** 39*91f16700Schasinglulu */ 40*91f16700Schasinglulu void plat_marvell_interconnect_enter_coherency(void) 41*91f16700Schasinglulu { 42*91f16700Schasinglulu cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 43*91f16700Schasinglulu } 44*91f16700Schasinglulu 45*91f16700Schasinglulu /**************************************************************************** 46*91f16700Schasinglulu * Helper function to remove current master from coherency 47*91f16700Schasinglulu **************************************************************************** 48*91f16700Schasinglulu */ 49*91f16700Schasinglulu void plat_marvell_interconnect_exit_coherency(void) 50*91f16700Schasinglulu { 51*91f16700Schasinglulu cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1())); 52*91f16700Schasinglulu } 53